7
Operating faults, causes and remedies
8/1
7
Operating faults, causes and remedies
All machines are subjected to strict manufacturing and final inspection procedures. If, despite this,
something fails to work at any time, please check machine using the following process chart. If
none of the fault elimination procedures described results in the correct functioning of the machine,
please contact your authorised dealer.
7.1
Customer checklist
Machine switched on
yes
Machine is operative
(fan running)
No
•
Mains supply interrupted
•
Mains plug not inserted
•
Mains fuse faulty
•
Mains power switch faulty
•
Mains plug wrongly connected
yes
Welding current
No
•
Electrode holder not connected
•
Workpiece lead not connected
yes
Good welding properties
No
•
Wrong material composition
•
Electrodes and workpiece leads misconnected
(follow manufacturer’s instructions for
electrodes)
•
Electrode not clean
•
Incorrect switch setting PWS +/-
yes
Remote control functions
No
•
Remote control plug not inserted in the machine
•
Remote control or cable defective
Summary of Contents for inverter STICK 250 H-2
Page 26: ...10 Schaltpl ne Circuit Diagrams 10 1 10 Schaltpl ne Circuit Diagrams 10 1 STICK 250 H 2...
Page 27: ...10 Schaltpl ne Circuit Diagrams 10 2 10 2 STICK 350 CEL...
Page 28: ...10 Schaltpl ne Circuit Diagrams 10 3 10 3 STICK 350 CEL KLR...
Page 29: ...10 Schaltpl ne Circuit Diagrams 10 4 10 4 STICK 350 CEL PWS...
